Verses with the word readiness in the New Testament (3 verses):

Acts 17:11
These were more noble than those in Thessalonica, in that they received the word with all readiness of mind, and searched the scriptures daily, whether those things were so.

2 Corinthians 8:11
Now therefore perform the doing of it; that as there was a readiness to will, so there may be a performance also out of that which ye have.

2 Corinthians 10:6
And having in a readiness to revenge all disobedience, when your obedience is fulfilled.